40131024999 has 16 divisors (see below), whose sum is σ = 57669021312. Its totient is φ = 24676735968.

The previous prime is 40131024943. The next prime is 40131025001. The reversal of 40131024999 is 99942013104.

It is not a de Polignac number, because 40131024999 - 2²⁷ = 39996807271 is a prime.

It is a super-2 number, since 2×40131024999² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40131024999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131024929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350977 + ... + 451050.

It is an arithmetic number, because the mean of its divisors is an integer number (3604313832).

Almost surely, 2^40131024999 is an apocalyptic number.

40131024999 is a deficient number, since it is larger than the sum of its proper divisors (17537996313).

40131024999 is a wasteful number, since it uses less digits than its factorization.

40131024999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803326.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 40131024999 in words is "forty billion, one hundred thirty-one million, twenty-four thousand, nine hundred ninety-nine".